/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-logo a {
    text-decoration: none;
    color: inherit;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: #2563eb;
    border-radius: 1px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1a202c;
    border-radius: 30px;
    padding: 20px;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #4a5568;
    border-radius: 2px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    border-radius: 20px;
    overflow: hidden;
}

.app-interface {
    padding: 20px;
    color: white;
}

.app-header {
    margin-bottom: 20px;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.media-item {
    aspect-ratio: 3/4;
    background: linear-gradient(45deg, #4299e1, #667eea);
    border-radius: 8px;
    opacity: 0.8;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: #4a5568;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #4a5568;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    color: white;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: center;
}

.download-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-text p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.download-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.download-feature svg {
    color: #48bb78;
    flex-shrink: 0;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-btn img {
    transition: transform 0.2s;
}

.download-btn:hover img {
    transform: scale(1.05);
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid #2d3748;
    text-align: center;
    opacity: 0.7;
}

/* Privacy Page Styles */
.privacy-page {
    padding: 120px 0 80px;
    min-height: 100vh;
}

.privacy-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #e2e8f0;
}

.privacy-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1rem;
}

.last-updated {
    color: #4a5568;
    font-size: 1.1rem;
    font-style: italic;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.privacy-section h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.privacy-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d3748;
    margin: 1.5rem 0 1rem 0;
}

.privacy-section p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: #4a5568;
}

.privacy-section ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.privacy-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    color: #4a5568;
}

.privacy-section a {
    color: #2563eb;
    text-decoration: none;
}

.privacy-section a:hover {
    text-decoration: underline;
}

.contact-info {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
    margin: 1rem 0;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .download-text h2 {
        font-size: 2rem;
    }
    
    .privacy-header h1 {
        font-size: 2.5rem;
    }
    
    .privacy-section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .features {
        padding: 60px 0;
    }
    
    .download {
        padding: 60px 0;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .privacy-section {
        padding: 1rem;
    }
    
    .privacy-section h2 {
        font-size: 1.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.privacy-section {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll animations */
@media (prefers-reduced-motion: no-preference) {
    .feature-card {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease-out forwards;
    }
    
    .feature-card:nth-child(1) { animation-delay: 0.1s; }
    .feature-card:nth-child(2) { animation-delay: 0.2s; }
    .feature-card:nth-child(3) { animation-delay: 0.3s; }
    .feature-card:nth-child(4) { animation-delay: 0.4s; }
    .feature-card:nth-child(5) { animation-delay: 0.5s; }
    .feature-card:nth-child(6) { animation-delay: 0.6s; }
}